He stood aghast at the terrible sight.

他被眼前可怕景象吓了。

She was aghast at the extent of the damage to her car.

她汽车损坏程度使她震惊。

She stood aghast at the black shadow in the drawing room.

她被客厅里黑影吓了。

She stood aghast at the snake.

她被蛇吓了。